Seasonal transmission of Fasciola hepatica in cattle and Lymnaea (Fossaria) humilis snails in central Mexico

I. Cruz-Mendoza, F. Ibarra-Velarde, M. T. Quintero-Martínez, E. Naranjo-García, J. Lecumberri-López, D. Correa

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9 Scopus citations

Abstract

A 19-month study on the prevalence of fasciolosis in 30 naturally infected cows, the presence of infected and non-infected Lymnaea (Fossaria) humilis snails, and variation in soil temperature and humidity is reported. The prevalence of fasciolosis in cattle declined from around 50% in March to 30% in July, then, it increased from August, reaching a plateau of 100% in November-January, before gradually declining thereafter. A rise in soil humidity and temperature in June and July, respectively, which peaked between August and November was observed. In July, L. (F.) humilis snails appeared, but the infection could only be found in these in August and November. The number of infected snails did not reflect the infestation rate in cows, even though the infestation kinetics in both hosts behaved as predicted from the life cycle of the parasite.

Original languageEnglish
Pages (from-to)283-286
Number of pages4
JournalParasitology Research
Volume95
Issue number4
DOIs
StatePublished - 1 Mar 2005
Externally publishedYes

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